[Ffmpeg-devel] encoding (very) low motion video (original) (raw)
Martijn mart_ml
Tue Feb 14 20:03:11 CET 2006
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Hi,
I have developed a plugin for an application which renders a home theater PC UI. The plugin takes screenshots from the UI and encodes them to mpeg-2. These are then streamed to a compatible UPNP enabled device which displays the UI on the television.
This works quite well but I think CPU usage is somewhat high. To reduce the CPU usage a bit more I'm wondering about skipping frames. Obviously the captured UI is quite static and my app knows exactly if the UI changed. It is kinda pointless to encode say 24 frames a second, when it only changes every couple of seconds. Does ffmpeg and mpeg-2 allow to skip frames or can I somehow reuse a previously encoded frame? Keep in mind that this streams to embedded devices, which may be quite strict regarding the format so it needs to be legal.
Thanks for any insights or hints,
Martijn
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